radio

By nm206433
  • Heinrich Hertz

    Heinrich Hertz

    Heinrich Hertz proves you can wirelessly transmit and receive electric waves
  • Guglielmo Marconi

    Guglielmo Marconi

    Guglielmo Marconi discovers that by raising the height of an antenna you can send the signal farther
  • The AUDION tube

    The AUDION tube

    The AUDION tube is invented to help push waves further it is basically the first amplifier
  • KDKA

    KDKA

    KDKA becomes the first radio station in the US
  • commercial

    commercial

    the first radio commercial airs on WEAF about an apartment complex charging $50
  • Radio Commission

    Radio Commission

    the FRC makes it to where you need a license to broadcast
  • Golden Era

    Golden Era

    families would sit around the radio and listen together